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Finding the Fourth Proportional to 438,070.47, 604,810.91 and 335,899.65

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Solution

The fourth proportional to 438,070.47, 604,810.91 and 335,899.65 is: 463,751.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,070.47 : 604,810.91 = 335,899.65 : x
  2. Step 2: Convert to fraction form
    438,070.47/604,810.91 = 335,899.65/x
  3. Step 3: Cross multiply
    438,070.47x = 604,810.91 × 335,899.65
  4. Step 4: Simplify right side
    438,070.47x = 203,155,772,985.18
  5. Step 5: Solve for x
    x = 203,155,772,985.18/438,070.47
  6. Step 6: Final answer
    x = 463,751.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.