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Finding the Fourth Proportional to 660,109.04, 910,055.96 and 564,341.59

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Solution

The fourth proportional to 660,109.04, 910,055.96 and 564,341.59 is: 778,026.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,109.04 : 910,055.96 = 564,341.59 : x
  2. Step 2: Convert to fraction form
    660,109.04/910,055.96 = 564,341.59/x
  3. Step 3: Cross multiply
    660,109.04x = 910,055.96 × 564,341.59
  4. Step 4: Simplify right side
    660,109.04x = 513,582,427,887.52
  5. Step 5: Solve for x
    x = 513,582,427,887.52/660,109.04
  6. Step 6: Final answer
    x = 778,026.66

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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.