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Finding the Fourth Proportional to 562,341.04, 776,030.16 and 307,693.28

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Solution

The fourth proportional to 562,341.04, 776,030.16 and 307,693.28 is: 424,616.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,341.04 : 776,030.16 = 307,693.28 : x
  2. Step 2: Convert to fraction form
    562,341.04/776,030.16 = 307,693.28/x
  3. Step 3: Cross multiply
    562,341.04x = 776,030.16 × 307,693.28
  4. Step 4: Simplify right side
    562,341.04x = 238,779,265,309.33
  5. Step 5: Solve for x
    x = 238,779,265,309.33/562,341.04
  6. Step 6: Final answer
    x = 424,616.47

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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.